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231429 = 3117013
BaseRepresentation
bin111000100000000101
3102202110110
4320200011
524401204
64543233
71652502
oct704005
9382413
10231429
11148970
12b1b19
1381453
14604a9
1548889
hex38805

231429 has 8 divisors (see below), whose sum is σ = 336672. Its totient is φ = 140240.

The previous prime is 231419. The next prime is 231431. The reversal of 231429 is 924132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231429 - 217 = 100357 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231429.

It is not an unprimeable number, because it can be changed into a prime (231409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (42084).

2231429 is an apocalyptic number.

It is an amenable number.

231429 is a deficient number, since it is larger than the sum of its proper divisors (105243).

231429 is a wasteful number, since it uses less digits than its factorization.

231429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027.

The product of its digits is 432, while the sum is 21.

The square root of 231429 is about 481.0706808776. The cubic root of 231429 is about 61.3958843843.

It can be divided in two parts, 231 and 429, that multiplied together give a palindrome (99099).

The spelling of 231429 in words is "two hundred thirty-one thousand, four hundred twenty-nine".

Divisors: 1 3 11 33 7013 21039 77143 231429